Barranca in context: Street-network sprawl trends

Barranca in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
BarrancaLima (Region)Peru (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Barranca plotted against Lima and Peru. While Lima and Peru both followed a zig-zag trend with an overall increase, Barranca's new street additions followed a zig-zag trend with an overall increase. Most recently, Barranca's incremental SNDi rose from 2.12 to 2.24 between 1991-2005 and 2006-2020. In terms of the aggregate network, Barranca ranked 1st out of 3 cities in Lima and 16th out of 43 in Peru as of 2020.

New Street Additions (2006–2020)

SNDi value
2.24
Rank in Peru
12th of 43
Rank in Lima
1st of 3

Entire Network (Aggregate)

SNDi value
2.24
Rank in Peru
16th of 43
Rank in Lima
1st of 3

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
BarrancaDumraonBouar

In new street additions, Barranca fluctuated in its street-construction patterns, while Dumraon built increasingly disconnected streets from 1975 through 1991-2005, then improved and Bouar built increasingly disconnected streets from 1975 through 1976-1990, then improved. Looking at the full network, Dumraon and Bouar both grew more disconnected from 1975 through 1991-2005, then improved, while Barranca fluctuated in connectivity. Notably, Barranca had a more sprawly network than Dumraon in 1975 but the two have since reversed their relative ranking.